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accessories Check Valves Ordering Information AB and BB Ball-Type Check Valves Inlet/ Outlet Conn. Check Valve Type – Material Code Opening Pressure (psi) Example 1/8 AB – SS 20 BSPT connections require the addition of a “B” prior to the inlet connection. Opening pressure is ordered in psi. 10742A Diaphragm Check Valve Check Valve Type – Inlet/ Outlet Conn. – Material Code Example 10742A – 1/8 – AL BSPT connections require the addition of a “B” prior to the inlet connection. 12328 Diaphragm Check Valve Check Valve Type – Inlet/ Outlet Conn. – Material Code Example 12328 – 1/2 – NYB BSPT connections require the addition of a “B” prior to the inlet connection. CV Series Check Valve Inlet/ Outlet Conn. Check Valve Type – Material Code Opening Pressure (psi) Example 1/4 ABCV – SS 5 BSPT connections require the addition of a “B” prior to the inlet connection. Opening pressure is ordered in psi. spray.com | 1.800.95.SPRAY F27